<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">
        <el-button type="primary" round size="mini"
          >首页</el-button
        ></el-breadcrumb-item
      >
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区 -->
    <el-card>
      <!-- 搜索与添加 -->

      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-tooltip
              effect="dark"
              content="修改"
              placement="top"
              :enterable="false"
            >
              <el-button
              @click="showEditDialog(scope.row.id)"
                type="primary"
                icon="el-icon-edit"
                size="mini"
              ></el-button>
            </el-tooltip>

            <!-- 删除 -->
            <el-tooltip
              effect="dark"
              content="删除"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>

            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体  -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

     <!-- 修改用户 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <!-- 内容主体  -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" >
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
   <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {

    // 验证邮箱的规则
var checkEmail=(rule,value,cb)=>{
  // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        return cb()
      }cb(new Error('请输入合法邮箱'))
}
    // 校验手机号
var checkMobile=(rule,value,cb)=>{
   // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

   if (regMobile.test(value)) {
        return cb()
      }cb(new Error('请输入合法手机号'))
}

    return {
      // 已选中
      selectedRoleId:'',
      // 数据列表
      rolesList:[],
    // 需要被分配角色的用户信息
      userInfo: {},
      // 分配角色显示/隐藏
      setRoleDialogVisible:false,
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前页
        pagenum: 1,
        // 每页显示条数
        pagesize: 3,
      },
      userlist: [],
      total: 0,
      // 控制添加对话框显示隐藏
      addDialogVisible: false,
      // 修改用户
      editDialogVisible:false,
      // 查询用户信息
        editForm:{
     
      },

      // 添加用户
      addForm: {
        username:'',
        password:'',
        email:'',
        mobile:'',
      },
    

      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
        {min:3,max:10,message:'用户名长度在3-10个字符之间',trigger:'blur'}],
        password:[
           { required: true, message: '请输入密码', trigger: 'blur' },
        {min:6,max:15,message:'密码长度在6-15个字符之间',trigger:'blur'}],
        email:[
           { required: true, message: '请输入邮箱', trigger: 'blur' },
           {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
           { required: true, message: '请输入手机', trigger: 'blur' },
            {validator:checkMobile,trigger:'blur'},
          ],

      },
      editFormRules:{
 email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
    }
  },
  created() {
    this.getUserList()
  },

  methods: {
 // 展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo

      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }

      this.rolesList = res.data

      this.setRoleDialogVisible = true
    },
   
   // 点击按钮，分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },

     // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    },
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200)
        return this.$message.error('获取用户列表失败')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听开关
    async userStateChanged(userinfo1) {
      const { data: res } = await this.$http.put(
        `users/${userinfo1.id}/state/${userinfo1.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo1.mg_state = !userinfo1.mg_state
        return this.$message.error('用户更新失败!')
      }
      this.$message.success('用户更新成功')
    },
    // 监听关闭事件
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    // 监听表单添加
    addUser(){
     this.$refs.addFormRef.validate(async valid=>{
       if (!valid) return
      const {data:res}= await this.$http.post('users',this.addForm)
       if (res.meta.status!=201) {
         this.$message.error('添加失败')
       }
              this.$message.success('添加成功')
        // 隐藏对话框
        this.addDialogVisible=false
        // 重新获取数据
        this.getUserList()
     })
    },
    // 修改
  async showEditDialog(id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }

      this.editForm = res.data
      this.editDialogVisible = true
    },
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo(){
       this.$refs.editFormRef.validate(async valid=>{
       if (!valid) return
      const {data:res}= await this.$http.put('users/' + this.editForm.id,{
       email: this.editForm.email,
       mobile: this.editForm.mobile,
      })
       if (res.meta.status!=200) {
         this.$message.error('修改失败')
       }
              this.$message.success('修改成功')
        // 隐藏对话框
        this.editDialogVisible=false
        // 重新获取数据
        this.getUserList()
     })
    },
   async removeUserById(id){
 const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        if (confirmResult!=='confirm') {
          return this.$message.info('已取消删除')
        }
              const {data:res}= await this.$http.delete('users/' + id)
           if (res.meta.status!=200) {
         this.$message.error('删除失败')
       }
              this.$message.success('删除成功')
        // 隐藏对话框
        this.editDialogVisible=false
        // 重新获取数据
        this.getUserList()
    }
  },
}
</script>

<style lang="less" scoped></style>
